1913 ⟶ Moseley Defines Atomic Number

Henry Moseley: defined atomic number
Timelines Logo
Year
1897
1898
1911
1913
1919

⚛️ J.J. Thomson Discovers the Electron

J.J. Thomson discovers the electron in cathode rays⟶
J.J. Thomson Discovers the Electron (1897)
PhysicsParticle PhysicsAtomic TheoryJ.J. ThomsonScientific RevolutionModern ScienceDiscovery
United KingdomUnited Kingdom

⚛️ J.J. Thomson Proposes the Plum Pudding Model of the Atom

J.J. Thomson proposed the plum pudding model of an atom⟶
J.J. Thomson Proposes the Plum Pudding Model of the Atom (1898)
Atomic TheoryPhysicsScientific RevolutionJ.J. Thomson
United KingdomUnited Kingdom

⚛️ Rutherford Discovers the Atomic Nucleus

Ernest Rutherford: Atomic nucleus⟶
Rutherford Discovers the Atomic Nucleus (1911)
PhysicsAtomic TheoryNuclear PhysicsErnest RutherfordModern ScienceScientific Revolution
United KingdomUnited Kingdom

⚛️ Moseley Defines Atomic Number

Henry Moseley: defined atomic number⟶
Moseley Defines Atomic Number (1913)
PhysicsChemistryAtomic TheoryPeriodic TableErnest RutherfordScientific RevolutionModern Physics
United KingdomUnited Kingdom

⚛️ Rutherford Identifies the Proton

Ernest Rutherford discovers the proton.⟶
Rutherford Identifies the Proton (1919)
PhysicsAtomic PhysicsParticle PhysicsErnest RutherfordNuclear PhysicsModern ScienceChemistry
United KingdomUnited Kingdom